Biomass solid fuel particle cooling device

Abstract

The utility model discloses a biomass solid fuel particle cooling device which comprises a cooling box, and a conveying belt used for conveying biomass solid fuel particles is arranged in the cooling box. The inner cavity of the cooling box is provided with a blocking piece which prevents biomass solid fuel particles from falling off from the surface of the conveying belt and cools the particles on the edge of the conveying belt. Through the arrangement of the blocking piece, the air blower blows air into the hollow plate through the second communicating pipe and blows air out of the flow guide pipe at the bottom of the opposite side of the hollow plate; and meanwhile, the air outlet ends of the flow guide pipes incline downwards and point to the limiting plates on the corresponding sides, blown-out airflow can cool particles on the edge of the conveying belt, heat of the edge parts of the particles can be dissipated, the particles can be gathered to the middle of the conveying belt through the flowing direction and force of the airflow, the particles are matched with the limiting plates, and the particles are effectively prevented from falling off from the surface of the conveying belt.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biomass solid fuel cooling device, concretely is a kind of biomass solid fuel particle cooling device. BACKGROUND

[0002] Biomass fuel refers to biomass material combustion as fuel, generally mainly is forestry waste, main difference from fossil fuel, when producing biomass fuel, cooling device needs to be used to cool biomass fuel to normal temperature to be able to bag storage when discharging.

[0003] At present, the Chinese patent with announcement number CN217560159U discloses a kind of cooling device for biomass fuel production, the cooling box is equipped with conveying belt, the conveying belt is arranged through air curtain piece, the conveying belt is uniformly equipped with gas collector at the bottom, the gas collector is fixedly connected with the inner cavity bottom of cooling box, the bottom end of the gas collector is communicated with circulating device, the other end of the circulating device extends from the top end of cooling box to the inner cavity of cooling box, the top end surface of the gas collector is fixedly connected with gas collector cover, the gas collector cover is equipped with filter screen, the upper side of the filter screen is equipped with cleaning assembly.The utility model drives the rotation of shaft by motor, so that gear one drives gear two to rotate, and then the connecting piece drives the brush plate to rotate and clean the surface of filter screen, avoid dust adhering on filter screen and blocking the mesh of filter screen, affect the gas collection effect of gas collector.

[0004] The above-mentioned cooling device for biomass fuel production has some problems in use, although it can avoid dust adhering on the filter screen and blocking the mesh of the filter screen, and affect the gas collection effect of the gas collector, but the wind blown by the circulating device may fall off the surface of the conveying belt in the form of particles, which inevitably increases the workload of the staff cleaning the cooling box. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of biomass solid fuel particle cooling device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of biomass solid fuel particle cooling device, including cooling box, the inside of the cooling box is provided with the conveying belt for conveying biomass solid fuel particle, the inner cavity of the cooling box is provided with the blocking piece for preventing biomass solid fuel particle from falling off the surface of conveying belt and cooling the particles on the edge of conveying belt, the middle part of the cooling box is provided with the turnover assembly for turning over biomass solid fuel particle in the middle part of conveying belt, one side of the cooling box is provided with the gas supply assembly for supplying gas to the blocking piece and turnover piece;

[0008] The blocking piece includes hollow plates arranged on the inner walls of both sides of the cooling box and located above the conveying belt, the opposite bottom of the two groups of hollow plates is fixedly connected with a limiting plate, the bottom of the limiting plate is close to the surface of the conveying belt, the top of the opposite side of the two groups of hollow plates is connected with a plurality of groups of linear and equidistantly arranged flow guide pipes, the air outlet ends of the flow guide pipes on the same side are downwardly inclined and directed to the corresponding limiting plate.

[0009] Preferably, the air supply assembly includes a blower fixedly installed on one side of the cooling box, the output end of the blower is communicated with a conveying pipe, one end of the conveying pipe is upwardly and spirally arranged to the top of the cooling box, the top of the two groups of hollow plates is communicated with a second communication pipe, one end of the two groups of second communication pipes is upwardly and penetrates through the cooling box and communicated with the conveying pipe.

[0010] Preferably, the turning assembly includes a hollow rod arranged in the cooling box and located above the conveying belt, the bottom of the hollow rod is fixedly connected with a plurality of groups of fixed rods, the front side of each group of fixed rods is fixedly connected with two groups of fixed strips, the front end of the two groups of fixed strips at the same position is fixedly connected with a group of obliquely arranged shovel plates, one end of the bottom of the shovel plate is close to the surface of the conveying belt, the top of the hollow rod is communicated with the conveying pipe through a communication assembly.

[0011] Preferably, the communication assembly includes a conduit communicated with the middle part of the hollow rod, the inner cavity of the conduit is inserted with a first communication pipe, one end of the first communication pipe is upwardly and penetrates through the cooling box and communicated with the conveying pipe, the surface of the conduit is threadedly connected with a bolt, one end of the bolt is threadedly penetrated through the surface of the corresponding side of the conduit and abuts against the surface of the first communication pipe.

[0012] Preferably, a plurality of sealing rings are inlaid on the inner wall of the conduit close to the upper opening.

[0013] Preferably, one side surface of the hollow rod and located at the corresponding position of each group of shovel plates is communicated with an air outlet pipe, the air outlet end of the air outlet pipe is downwardly inclined and directed to the shovel plate, the air outlet end of the air outlet pipe is fixedly connected with a connecting strip, the front side of the connecting strip is fixedly connected with a wind resistance plate, the air outlet end of the air outlet pipe is aligned with the front side edge of the wind resistance plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a blocking piece is provided, and the air blower is carried out air blowing to the hollow board through the second communication pipe, and blows out from the flow guide pipe of the bottom of the opposite side of the hollow board, and the air outlet end of flow guide pipe is inclined downward and points to the corresponding side limiting plate, and the blown airflow can cool the particle on the edge of the conveying belt, and the heat of the edge part of the particle can be dissipated, and the flow direction and the power of the airflow can gather the particle to the middle of the conveying belt, cooperates with the limiting plate, effectively prevents the particle from falling from the surface of the conveying belt.

[0016] 2. The utility model discloses a setting of the turning subassembly can be effectively turned over to the particle in the middle part of the conveying belt, and the inclined setting of the shovel plate and the design of the bottom close to the surface of the conveying belt can turn over the particle completely, make the heat in the particle can be quickly dissipated, avoid the phenomenon of not thoroughly cooling caused by the heat accumulation in the particle.

[0017] 3. The utility model discloses a setting of the air pipe and the baffle, the air pipe of the corresponding position of the shovel plate on the one side surface of the hollow rod, and the bottom has the connecting strip and the baffle simultaneously, can change the direction of airflow directly, make it can be more close to the surface of shovel plate and flow to make the cooling air of blowing, more accurate effect is obtained in the particle area of shovel plate turning over, in the moment of turning over the particle, cooling air can quickly take away the heat on the surface of the particle, enhanced the cooling effect of local particle, improved the uniformity of the whole cooling of the particle. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of biomass solid fuel particle cooling device of the utility model;

[0019] Figure 2 It is the structure schematic diagram of another view of biomass solid fuel particle cooling device of the utility model;

[0020] Figure 3 It is the sectional structure schematic diagram of cooling box of the utility model;

[0021] Figure 4 It is the structure schematic diagram of hollow rod of the utility model;

[0022] Figure 5 It is the sectional structure schematic diagram of guide pipe of the utility model.

[0023] In the drawing:

[0024] 100, conveying belt;101, cooling box;

[0025] 200, first communication pipe;201, second communication pipe;202, conveying pipe;203, air blower;

[0026] 300, conduit; 301, hollow rod; 302, air outlet pipe; 303, connecting strip; 304, wind resistance plate; 305, fixing strip; 306, shovel plate; 307, bolt; 308, sealing ring; 309, fixing rod;

[0027] 400, flow guide pipe; 401, limiting plate; 402, hollow plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1-5 The embodiment provides a biomass solid fuel particle cooling device, which comprises a cooling box 101, a conveying belt 100 for conveying biomass solid fuel particles is arranged in the cooling box 101, a blocking piece for preventing the biomass solid fuel particles from falling off the surface of the conveying belt 100 and cooling the particles at the edge of the conveying belt 100 is arranged in the inner cavity of the cooling box 101, a turnover assembly for turning over the biomass solid fuel particles in the middle part of the conveying belt 100 is arranged in the middle part of the cooling box 101, and a gas supply assembly for supplying gas to the blocking piece and the turnover piece is arranged on one side of the cooling box 101.

[0030] The blocking piece comprises hollow plates 402 arranged on the inner walls of the two sides of the cooling box 101 and located above the conveying belt 100, limiting plates 401 fixedly connected to the bottoms of the opposite sides of the two groups of hollow plates 402, the bottoms of the limiting plates 401 being close to the surface of the conveying belt 100, and a plurality of groups of flow guide pipes 400 linearly and equidistantly arranged on the top of the opposite side of the two groups of hollow plates 402, the air outlet ends of the flow guide pipes 400 on the same side all being downwardly inclined and pointing to the corresponding limiting plate 401, air is blown into the hollow plates 402 by the air blower 203 through the second communication pipe 201, and the air is blown out from the flow guide pipes 400 on the bottom of the opposite side of the hollow plates 402, meanwhile, the air outlet ends of the flow guide pipes 400 are downwardly inclined and point to the corresponding limiting plate 401, the blown air current can cool the particles at the edge of the conveying belt 100, the heat of the edge part of the particles is dissipated, and the flow direction and force of the air current gather the particles to the middle of the conveying belt 100, in cooperation with the limiting plate 401, the particles are effectively prevented from falling off the surface of the conveying belt 100.

[0031] Meanwhile, the spacing between the limiting plate 401 and the conveying belt 100 is less than the diameter of the biomass solid fuel particles.

[0032] Further, the air supply assembly includes a blower 203 fixedly installed on one side of the cooling box 101, and the output end of the blower 203 is communicated with a conveying pipe 202, one end of the conveying pipe 202 is upwardly coiled to the top of the cooling box 101, the top of each of the two groups of hollow plates 402 is communicated with a second communication pipe 201, and one end of each of the two groups of second communication pipes 201 is upwardly penetrated through the cooling box 101 and communicated with the conveying pipe 202, through the arrangement of the air supply assembly, the conveying pipe 202 is connected with the communication pipe of the hollow plate 402, efficient supply of cooling air to the blocking piece is realized, and stable play of the cooling function of the blocking piece is ensured, and the power of the blower 203 can be flexibly adjusted to control the flow and pressure of the cooling air according to different characteristics of the particulate material and cooling requirements.

[0033] Further, the turning assembly includes a hollow rod 301 arranged in the cooling box 101 and located above the conveying belt 100, the bottom of the hollow rod 301 is fixedly connected with a plurality of groups of fixed rods 309, the front side of each group of fixed rods 309 is fixedly connected with two groups of fixed strips 305, the front end of the two groups of fixed strips 305 at the same position is fixedly connected with a group of inclined shovel plates 306, one end of the bottom of the shovel plate 306 is close to the surface of the conveying belt 100, and the top of the hollow rod 301 is communicated with the conveying pipe 202 through a communication assembly, through the arrangement of the turning assembly, the particulate in the middle of the conveying belt 100 can be effectively turned over, and meanwhile, the inclined arrangement of the shovel plate 306 and the design that the bottom is close to the surface of the conveying belt 100 can completely turn over the particulate, so that the heat in the particulate can be quickly dissipated, and the phenomenon of incomplete cooling caused by accumulation of heat in the particulate is avoided.

[0034] Preferably, the communication assembly includes a conduit 300 communicated with the middle of the hollow rod 301, a first communication pipe 200 is inserted into the inner cavity of the conduit 300, one end of the first communication pipe 200 is upwardly penetrated through the cooling box 101 and communicated with the conveying pipe 202, and the surface of the conduit 300 is threadedly connected with a bolt 307, one end of the bolt 307 is threadedly penetrated through the corresponding side surface of the conduit 300 and abuts against the surface of the first communication pipe 200, through the arrangement of the communication assembly, reliable connection of the hollow rod 301 and the conveying pipe 202 guarantees the stability and sealing performance of air supply, and meanwhile, the fastening effect of the bolt 307 can prevent the first communication pipe 200 from shaking at the connection position with the conduit 300 due to vibration and other factors during operation, and by loosening the bolt 307 and sliding the conduit 300 downwardly according to requirements, the shovel plate 306 can be moved downwardly, so that the shovel plate 306 can be more deeply inserted into the particulate layer.

[0035] It is worth noting that a plurality of sealing rings 308 are inlaid on the inner wall close to the upper opening of the conduit 300, and through the arrangement of the sealing ring 308, the air leakage problem that may occur at the connection position of the conduit 300 and the first communication pipe 200 is effectively prevented.

[0036] Preferably, one side surface of the hollow rod 301 and located in the corresponding position of each group of shovel plates 306 is communicated with the air outlet pipe 302, the air outlet end of the air outlet pipe 302 is inclined downward and points to the shovel plate 306, the bottom of the air outlet end of the air outlet pipe 302 is fixedly connected with the connecting strip 303, the front side of the connecting strip 303 is fixedly connected with the wind resistance plate 304, the air outlet end of the air outlet pipe 302 is aligned with the front side edge of the wind resistance plate 304, through the arrangement of the air outlet pipe 302 and the wind resistance plate 304, the air outlet pipe 302 at the corresponding position of the one side surface of the hollow rod 301 and the shovel plate 306 is inclined downward and points to the shovel plate 306 and has the connecting strip 303 and the wind resistance plate 304 at the bottom, which can directly change the direction of the airflow, so that the blown cooling air can flow more closely to the surface of the shovel plate 306, and the blown cooling air can act more accurately on the particle area turned over by the shovel plate 306, at the moment of turning over the particles, the cooling air can quickly take away the heat on the surface of the particles, enhance the cooling effect of the local particles, and improve the uniformity of the overall cooling of the particles.

[0037] Working principle;

[0038] Firstly, the air blower 203 is started to blow air into the first communication pipe 200 and the second communication pipe 201 through the conveying pipe 202, and then the biomass solid fuel particles are placed on the conveying belt 100 in the cooling box 101, and the conveying belt 100 conveys the particles to the inside of the cooling box 101;

[0039] The air blower 203 blows air into the hollow plate 402 through the second communication pipe 201, and blows out from the guide pipe 400 at the bottom of the opposite side of the hollow plate 402, and the air outlet end of the guide pipe 400 is inclined downward and points to the corresponding side limiting plate 401, the blown airflow can cool the particles at the edge of the conveying belt 100, so that the heat of the edge part of the particles is dissipated, and the flow direction and strength of the airflow will gather the particles to the middle of the conveying belt 100, cooperate with the limiting plate 401, and effectively prevent the particles from falling off the surface of the conveying belt 100;

[0040] And when the biomass solid fuel particles move to the middle part of the conveying belt 100, the shovel plate 306 installed on one side of the hollow rod 301 flips the biomass solid fuel particles, the part which is originally inside and difficult to contact the cold air can be fully exposed, at the same time, the air blower 203 blows air into the hollow rod 301 through the first communication pipe 200 and the guide pipe 300, the air entering the hollow rod 301 is blown out from the air outlet pipe 302 corresponding to the position of the side surface of the hollow rod 301, the air outlet end of the air outlet pipe 302 is inclined downward and points to the shovel plate 306, and the bottom of the air outlet end is also provided with a connecting strip 303 and a wind resistance plate 304, so that the airflow direction can be changed directly, so that the blown cooling air can flow more closely to the surface of the shovel plate 306 to cool the flipped biomass solid fuel particles, thereby accelerating the heat dissipation speed.

[0041] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A biomass solid fuel pellet cooling apparatus, characterized by, The utility model provides a biomass solid fuel cooling device, which comprises a cooling box (101), an inner part of the cooling box (101) is provided with a conveying belt (100) for conveying biomass solid fuel particles, an inner cavity of the cooling box (101) is provided with a blocking piece for preventing biomass solid fuel particles from falling off from the surface of the conveying belt (100) while cooling the particles at the edge of the conveying belt (100), a middle part of the cooling box (101) is provided with a turnover assembly for turning over the biomass solid fuel particles in the middle part of the conveying belt (100), and one side of the cooling box (101) is provided with an air supply assembly for supplying air to the blocking piece and the turnover piece. The blocking piece comprises hollow plates (402) arranged on the inner walls of both sides of the cooling box (101) and located above the conveying belt (100), the bottom of the opposite side of each of the two groups of hollow plates (402) is fixedly connected with a limiting plate (401), the bottom of the limiting plate (401) is close to the surface of the conveying belt (100), the top of the opposite side of each of the two groups of hollow plates (402) is connected with a plurality of groups of linear and equidistantly arranged flow guide pipes (400), and the air outlet ends of the flow guide pipes (400) on the same side are downwardly inclined and directed to the corresponding limiting plate (401).

2. A biomass solid fuel pellet cooling apparatus according to claim 1, wherein: The air supply assembly comprises a blower (203) fixedly installed on one side of the cooling box (101), the output end of the blower (203) is communicated with a conveying pipe (202), one end of the conveying pipe (202) is upwardly and spirally arranged to the top of the cooling box (101), the top of each of the two groups of hollow plates (402) is communicated with a second communication pipe (201), and one end of each of the two groups of second communication pipes (201) penetrates the cooling box (101) upwardly and is communicated with the conveying pipe (202).

3. A biomass solid fuel pellet cooling apparatus according to claim 2, wherein: The turnover assembly comprises a hollow rod (301) arranged in the inner part of the cooling box (101) and located above the conveying belt (100), the bottom of the hollow rod (301) is fixedly connected with a plurality of groups of fixed rods (309), the front side of each group of fixed rods (309) is fixedly connected with two groups of fixed strips (305), the front end of each of the two groups of fixed strips (305) in the same position is fixedly connected with a group of obliquely arranged shovel plates (306), the bottom end of the shovel plate (306) is close to the surface of the conveying belt (100), and the top of the hollow rod (301) is communicated with the conveying pipe (202) through a communication assembly.

4. A biomass solid fuel pellet cooling apparatus according to claim 3, wherein: The communication assembly comprises a guide pipe (300) communicated with the middle part of the hollow rod (301), the inner cavity of the guide pipe (300) is inserted with a first communication pipe (200), one end of the first communication pipe (200) penetrates the cooling box (101) upwardly and is communicated with the conveying pipe (202), the surface of the guide pipe (300) is threadedly connected with a bolt (307), and one end of the bolt (307) is threadedly penetrated through the surface of the corresponding side of the guide pipe (300) and abuts against the surface of the first communication pipe (200).

5. A biomass solid fuel pellet cooling apparatus according to claim 4, wherein: A plurality of sealing rings (308) are inlaid on the inner wall close to the upper opening of the guide pipe (300).

6. A biomass solid fuel pellet cooling apparatus according to claim 3, wherein: One side surface of the hollow rod (301) and in the corresponding position of each group of spade plate (306) are communicated with the air outlet pipe (302), the air outlet end of the air outlet pipe (302) is inclined downward and points to the spade plate (306), the bottom of the air outlet end of the air outlet pipe (302) is fixedly connected with the connecting strip (303), the front side of the connecting strip (303) is fixedly connected with the wind baffle (304), and the air outlet end of the air outlet pipe (302) is aligned with the front side edge of the wind baffle (304).

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